961  
CDUS43 KLOT 250641  
CLIRFD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
135 AM CDT MON SEP 25 2017  
 
   
...............................
 
 
   
..THE ROCKFORD IL CLIMATE SUMMARY FOR SEPTEMBER 24 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1905 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 259 PM 92 2007 72 18 76  
1920  
MINIMUM 65 500 AM 28 1976 49 16 65  
AVERAGE 78 60 18 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.26 1986 0.11 -0.11 0.00  
MONTH TO DATE 0.51 2.73 -2.22 2.93  
SINCE SEP 1 0.51 2.73 -2.22 2.93  
SINCE JAN 1 37.30 28.39 8.91 28.85  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 T  
SINCE SEP 1 0.0 0.0 0.0 T  
SINCE JUL 1 0.0 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 0  
MONTH TO DATE 50 72 -22 2  
SINCE SEP 1 50 72 -22 2  
SINCE JUL 1 57 86 -29 2  
 
COOLING  
YESTERDAY 13 1 12 6  
MONTH TO DATE 102 78 24 151  
SINCE SEP 1 102 78 24 151  
SINCE JAN 1 786 805 -19 1068    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 5.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 300 AM  
LOWEST 34 100 PM  
AVERAGE 61  
   
......................................................
 
 
 
THE ROCKFORD IL CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 95 1920  
MINIMUM TEMPERATURE (F) 48 27 1942  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 25 2017.....SUNRISE 647 AM CDT SUNSET 648 PM CDT  
SEPTEMBER 26 2017.....SUNRISE 648 AM CDT SUNSET 646 PM CDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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